[lltx] luatexbase-loader having problems with symbolic links

[Wolfgang Jeltsch]

Hi Philipp,

thanks a lot for this information. I created a dummy directory in my
directory of symlinks, and now all packages are found.

Best wishes,
Wolfgang

Am Freitag, den 16.08.2013, 23:31 +0200 schrieb Philipp Gesang:
> This comment from the BUGS file in the kpathsea dir of the Luatex
> source tree might interest you:
> 
>    * Your files reside in a directory that is only pointed to via a
>      symbolic link, in a leaf directory and is not listed in `ls-R'.
> 
>      Unfortunately, Kpathsea's subdirectory searching has an
>      irremediable deficiency: If a directory D being searched for
>      subdirectories contains plain files and symbolic links to other
>      directories, but no true subdirectories, D will be considered a
>      leaf directory, i.e., the symbolic links will not be followed.
>      *Note Subdirectory expansion::.
> 
>      You can work around this problem by creating an empty dummy
>      subdirectory in D. Then D will no longer be a leaf, and the
>      symlinks will be followed.
> 
> I just checked and indeed, creating a “real” directory where the
> directory is symlinked to does make kpse find the files even
> after initialising it.
> 
> Hth,
> Philipp
> 
> ···<date: 2013-08-16, Friday>···<from: Philipp Gesang>···
> 
> > ···<date: 2013-08-16, Friday>···<from: Wolfgang Jeltsch>···
> > 
> > > Hi,
> > > 
> > > can you *please* look (again) at this bug report I sent on 3 August?
> > 
> > Hi Wolfgang,
> > 
> > this is a consequence of initializing kpathsea. Your example can
> > be condensed to:
> > 
> > 
> >   \documentclass {article}
> >   \usepackage {pkg1}
> >   \directlua {kpse.set_program_name "luatex"}
> >   \usepackage {pkg2}
> > 
> >   \begin{document} \ldots \end{document}
> > 
> > Once kpse is up, files in symlinked dirs aren’t resolved anymore.
> > Note that this is consistent with the behavior of kpsewhich. I
> > haven’t much experience with the kpse library. There is not much
> > to configure about it from within Luatex, and unless you are
> > willing to go at great lengths to reimplement all file locators
> > (like Context) it can’t be avoided. 
> > 
> > Best,
> > Philipp
> > 
> > 
> > > 
> > > Best wishes,
> > > Wolfgang
> > > 
> > > Am Samstag, den 03.08.2013, 13:20 +0300 schrieb Wolfgang Jeltsch:
> > > > Hi,
> > > > 
> > > > I’m working under Linux and use TeXlive 2013, which contains
> > > > luatexbase-loader v0.6 from 11 May 2013.
> > > > 
> > > > I have some symbolic links under $TEXMFHOME/tex/latex that point to
> > > > directories that contain LaTeX packages. Usually, I can import these
> > > > packages without problems using \usepackage. However when I import
> > > > luatexbase-loader, then import of the abovementioned local packages
> > > > isn’t possible anymore.
> > > > 
> > > > For example, let’s assume that I have two packages called abc and xyz
> > > > under directories linked to from $TEXMFHOME/tex/latex. Consider the
> > > > following LaTeX source:
> > > > 
> > > >     \documentclass{article}
> > > > 
> > > >     \usepackage{abc}
> > > >     \usepackage{luatexbase-loader}
> > > >     \usepackage{xyz}
> > > > 
> > > >     \begin{document}
> > > > 
> > > >     \ldots
> > > > 
> > > >     \end{document}
> > > > 
> > > > Processing this source with LuaLaTeX gives me the following error
> > > > message:
> > > > 
> > > >     ! LaTeX Error: File `xyz.sty' not found.
> > > > 
> > > > Could this problem maybe be fixed?
> > > > 
> > > > Best wishes,
> > > > Wolfgang
> > > > 
> > > 
> > > 
> 
>